Description

4-Cyclopentylamino-2-Methylsulfanyl-Pyrimidine-5-Carboxylic Acid Ethyl Ester is a high-purity, advanced pharmaceutical intermediate characterized by its functionalized pyrimidine core. This compound is of significant commercial value for its role as a key building block in the synthesis of complex active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring targeted molecular structures. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries for developing novel compounds and process optimization.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of proprietary drug candidates, especially those targeting kinase inhibition or other enzyme-related pathways.
• Agrochemical Research: Serves as a versatile scaffold for developing new herbicides, fungicides, or plant growth regulators due to its heterocyclic structure.
• Chemical Biology & Medicinal Chemistry: Used in structure-activity relationship (SAR) studies and library synthesis for hit-to-lead optimization in drug discovery programs.
• Fine Chemical Synthesis: Employed in custom synthesis and contract manufacturing for producing specialized, high-value chemicals.
• Academic Research: Utilized in university and institutional labs for investigating novel organic reactions and heterocyclic chemistry.

Basic Information

Product Name	4-Cyclopentylamino-2-Methylsulfanyl-Pyrimidine-5-Carboxylic Acid Ethyl Ester
CAS No.	211245-62-4
Molecular Formula	C13H19N3O2S
Molecular Weight	281.37 g/mol
Synonyms	Ethyl 4-(cyclopentylamino)-2-(methylthio)pyrimidine-5-carboxylate; 2-(Methylthio)-4-(cyclopentylamino)-5-pyrimidinecarboxylic acid ethyl ester; 4-(Cyclopentylamino)-2-(methylsulfanyl)pyrimidine-5-carboxylic acid ethyl ester; 4-Cyclopentylamino-2-methylmercapto-pyrimidine-5-carboxylic acid ethyl ester; CPMPE; CAS 211245-62-4
EINECS	Contact for details

Quality Control

Our production of 4-Cyclopentylamino-2-Methylsulfanyl-Pyrimidine-5-Carboxylic Acid Ethyl Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, open flames, and incompatible materials. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.